The Gai Waterhouse stable is planning a strong assault on the four feature races at next week's Newcastle Cup carnival.

The Gai Waterhouse stable is planning a strong assault on the four feature races at next week's Newcastle Cup carnival.

Brisbane-based jockey Chris Munce, called up at the last minute to replace the injured Jim Cassidy, made the most of the opportunity to win the $100,000 McNamee Constructions Mona Lisa at Wyong on Friday.

Brisbane-based jockey Chris Munce, called up at the last minute to replace the injured Jim Cassidy, made the most of the opportunity to win the $100,000 McNamee Constructions Mona Lisa at Wyong on Friday.

Jim Cassidy, who had to forgo five rides at Canterbury Park on Wednesday (31st August) due to an injury to his left hand, will not be riding at the Wyong Cup race meeting on Friday.